Acquisition parameters for standard and wave MPRAGE sequences
| Parameters | Standard MPRAGE | Wave MPRAGE |
|---|---|---|
| FOV read (mm) | 240 × 240 | 256 × 256 |
| FOV phase (%) | 100 | 100 |
| Matrix size | 256 × 256 | 256 × 256 |
| Section thickness (mm) | 0.89 | 1.0 |
| TR/TE/TI (ms) | 2300/2.32/900 | 2500/3.48/1100 |
| Flip angle | 8° | 7° |
| Acceleration factor | ||
| 20-Channel | GRAPPA, R = 2 | Wave-CAIPI, R = 3 × 2 |
| 32-Channel | GRAPPA, R = 2 | Wave-CAIPI, R = 3 × 3 |
| Bandwidth (Hx/px) | 200 | 200 |
| Scan time (sec) | ||
| 20-Channel | 5 min 19 sec | 1 min 46 sec |
| 32-Channel | 5 min 18 sec | 1 min 11 sec |
Note::—GRAPPA indicates generalized autocalibrating partially parallel acquisition.